Am Dienstag, den 14.02.2017, 20:21 -0500 schrieb Digimer:
On 14/02/17 08:12 PM, John R Pierce wrote:
On 2/14/2017 5:08 PM, Digimer wrote:
Note; If you're mirroring /boot, you may need to run grub install on both disks to ensure they're both actually bootable (or else you might find yourself doing an emergency boot off the CentOS ISO and installing grub later).
I left that out because the OP was talking about booting from a seperate SSD, and only mirroring his data drive.
Ah, ok, that makes sense.
What we did test out and use on huge centos file system servers is
Rear put you working kernel, needed kernel for your machine for example, onto usb or iso. A Bare-metal copy of you base system for recovery disaster can copy back over another value.
Sincerely
Andy